[mirror_iproute2.git] / ip / xfrm_monitor.c

/* $USAGI: $ */

/*
 * Copyright (C)2005 USAGI/WIDE Project
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see <http://www.gnu.org/licenses>.
 */
/*
 * based on ipmonitor.c
 */
/*
 * Authors:
 *	Masahide NAKAMURA @USAGI
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <netinet/in.h>

#include "utils.h"
#include "xfrm.h"
#include "ip_common.h"

static void usage(void) __attribute__((noreturn));
static int listen_all_nsid;
static bool nokeys;

static void usage(void)
{
	fprintf(stderr, "Usage: ip xfrm monitor [ nokeys ] [ all-nsid ] [ all | OBJECTS | help ]\n");
	fprintf(stderr, "OBJECTS := { acquire | expire | SA | aevent | policy | report }\n");
	exit(-1);
}

static int xfrm_acquire_print(struct nlmsghdr *n, void *arg)
{
	FILE *fp = (FILE *)arg;
	struct xfrm_user_acquire *xacq = NLMSG_DATA(n);
	int len = n->nlmsg_len;
	struct rtattr *tb[XFRMA_MAX+1];
	__u16 family;

	len -= NLMSG_LENGTH(sizeof(*xacq));
	if (len < 0) {
		fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
		return -1;
	}

	parse_rtattr(tb, XFRMA_MAX, XFRMACQ_RTA(xacq), len);

	family = xacq->sel.family;
	if (family == AF_UNSPEC)
		family = xacq->policy.sel.family;
	if (family == AF_UNSPEC)
		family = preferred_family;

	fprintf(fp, "acquire ");

	fprintf(fp, "proto %s ", strxf_xfrmproto(xacq->id.proto));
	if (show_stats > 0 || xacq->id.spi) {
		__u32 spi = ntohl(xacq->id.spi);

		fprintf(fp, "spi 0x%08x", spi);
		if (show_stats > 0)
			fprintf(fp, "(%u)", spi);
		fprintf(fp, " ");
	}
	fprintf(fp, "%s", _SL_);

	xfrm_selector_print(&xacq->sel, family, fp, "  sel ");

	xfrm_policy_info_print(&xacq->policy, tb, fp, "    ", "  policy ");

	if (show_stats > 0)
		fprintf(fp, "  seq 0x%08u ", xacq->seq);
	if (show_stats > 0) {
		fprintf(fp, "%s-mask %s ",
			strxf_algotype(XFRMA_ALG_CRYPT),
			strxf_mask32(xacq->ealgos));
		fprintf(fp, "%s-mask %s ",
			strxf_algotype(XFRMA_ALG_AUTH),
			strxf_mask32(xacq->aalgos));
		fprintf(fp, "%s-mask %s",
			strxf_algotype(XFRMA_ALG_COMP),
			strxf_mask32(xacq->calgos));
	}
	fprintf(fp, "%s", _SL_);

	if (oneline)
		fprintf(fp, "\n");
	fflush(fp);

	return 0;
}

static int xfrm_state_flush_print(struct nlmsghdr *n, void *arg)
{
	FILE *fp = (FILE *)arg;
	struct xfrm_usersa_flush *xsf = NLMSG_DATA(n);
	int len = n->nlmsg_len;
	const char *str;

	len -= NLMSG_SPACE(sizeof(*xsf));
	if (len < 0) {
		fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
		return -1;
	}

	fprintf(fp, "Flushed state ");

	str = strxf_xfrmproto(xsf->proto);
	if (str)
		fprintf(fp, "proto %s", str);
	else
		fprintf(fp, "proto %u", xsf->proto);
	fprintf(fp, "%s", _SL_);

	if (oneline)
		fprintf(fp, "\n");
	fflush(fp);

	return 0;
}

static int xfrm_policy_flush_print(struct nlmsghdr *n, void *arg)
{
	struct rtattr *tb[XFRMA_MAX+1];
	FILE *fp = (FILE *)arg;
	int len = n->nlmsg_len;

	len -= NLMSG_SPACE(0);
	if (len < 0) {
		fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
		return -1;
	}

	fprintf(fp, "Flushed policy ");

	parse_rtattr(tb, XFRMA_MAX, NLMSG_DATA(n), len);

	if (tb[XFRMA_POLICY_TYPE]) {
		struct xfrm_userpolicy_type *upt;

		fprintf(fp, "ptype ");

		if (RTA_PAYLOAD(tb[XFRMA_POLICY_TYPE]) < sizeof(*upt))
			fprintf(fp, "(ERROR truncated)");

		upt = RTA_DATA(tb[XFRMA_POLICY_TYPE]);
		fprintf(fp, "%s ", strxf_ptype(upt->type));
	}

	fprintf(fp, "%s", _SL_);

	if (oneline)
		fprintf(fp, "\n");
	fflush(fp);

	return 0;
}

static int xfrm_report_print(struct nlmsghdr *n, void *arg)
{
	FILE *fp = (FILE *)arg;
	struct xfrm_user_report *xrep = NLMSG_DATA(n);
	int len = n->nlmsg_len;
	struct rtattr *tb[XFRMA_MAX+1];
	__u16 family;

	len -= NLMSG_LENGTH(sizeof(*xrep));
	if (len < 0) {
		fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
		return -1;
	}

	family = xrep->sel.family;
	if (family == AF_UNSPEC)
		family = preferred_family;

	fprintf(fp, "report ");

	fprintf(fp, "proto %s ", strxf_xfrmproto(xrep->proto));
	fprintf(fp, "%s", _SL_);

	xfrm_selector_print(&xrep->sel, family, fp, "  sel ");

	parse_rtattr(tb, XFRMA_MAX, XFRMREP_RTA(xrep), len);

	xfrm_xfrma_print(tb, family, fp, "  ", nokeys);

	if (oneline)
		fprintf(fp, "\n");

	return 0;
}

static void xfrm_ae_flags_print(__u32 flags, void *arg)
{
	FILE *fp = (FILE *)arg;

	fprintf(fp, " (0x%x) ", flags);
	if (!flags)
		return;
	if (flags & XFRM_AE_CR)
		fprintf(fp, " replay update ");
	if (flags & XFRM_AE_CE)
		fprintf(fp, " timer expired ");
	if (flags & XFRM_AE_CU)
		fprintf(fp, " policy updated ");

}

static void xfrm_usersa_print(const struct xfrm_usersa_id *sa_id, __u32 reqid, FILE *fp)
{
	fprintf(fp, "dst %s ",
		rt_addr_n2a(sa_id->family, sizeof(sa_id->daddr), &sa_id->daddr));

	fprintf(fp, " reqid 0x%x", reqid);

	fprintf(fp, " protocol %s ", strxf_proto(sa_id->proto));
	fprintf(fp, " SPI 0x%x", ntohl(sa_id->spi));
}

static int xfrm_ae_print(struct nlmsghdr *n, void *arg)
{
	FILE *fp = (FILE *)arg;
	struct xfrm_aevent_id *id = NLMSG_DATA(n);

	fprintf(fp, "Async event ");
	xfrm_ae_flags_print(id->flags, arg);
	fprintf(fp, "\n\t");
	fprintf(fp, "src %s ", rt_addr_n2a(id->sa_id.family,
					   sizeof(id->saddr), &id->saddr));

	xfrm_usersa_print(&id->sa_id, id->reqid, fp);

	fprintf(fp, "\n");
	fflush(fp);

	return 0;
}

static void xfrm_print_addr(FILE *fp, int family, xfrm_address_t *a)
{
	fprintf(fp, "%s", rt_addr_n2a(family, sizeof(*a), a));
}

static int xfrm_mapping_print(struct nlmsghdr *n, void *arg)
{
	FILE *fp = (FILE *)arg;
	struct xfrm_user_mapping *map = NLMSG_DATA(n);

	fprintf(fp, "Mapping change ");
	xfrm_print_addr(fp, map->id.family, &map->old_saddr);

	fprintf(fp, ":%d -> ", ntohs(map->old_sport));
	xfrm_print_addr(fp, map->id.family, &map->new_saddr);
	fprintf(fp, ":%d\n\t", ntohs(map->new_sport));

	xfrm_usersa_print(&map->id, map->reqid, fp);

	fprintf(fp, "\n");
	fflush(fp);
	return 0;
}

static int xfrm_accept_msg(struct rtnl_ctrl_data *ctrl,
			   struct nlmsghdr *n, void *arg)
{
	FILE *fp = (FILE *)arg;

	if (timestamp)
		print_timestamp(fp);

	if (listen_all_nsid) {
		if (ctrl == NULL || ctrl->nsid < 0)
			fprintf(fp, "[nsid current]");
		else
			fprintf(fp, "[nsid %d]", ctrl->nsid);
	}

	switch (n->nlmsg_type) {
	case XFRM_MSG_NEWSA:
	case XFRM_MSG_DELSA:
	case XFRM_MSG_UPDSA:
	case XFRM_MSG_EXPIRE:
		xfrm_state_print(n, arg);
		return 0;
	case XFRM_MSG_NEWPOLICY:
	case XFRM_MSG_DELPOLICY:
	case XFRM_MSG_UPDPOLICY:
	case XFRM_MSG_POLEXPIRE:
		xfrm_policy_print(n, arg);
		return 0;
	case XFRM_MSG_ACQUIRE:
		xfrm_acquire_print(n, arg);
		return 0;
	case XFRM_MSG_FLUSHSA:
		xfrm_state_flush_print(n, arg);
		return 0;
	case XFRM_MSG_FLUSHPOLICY:
		xfrm_policy_flush_print(n, arg);
		return 0;
	case XFRM_MSG_REPORT:
		xfrm_report_print(n, arg);
		return 0;
	case XFRM_MSG_NEWAE:
		xfrm_ae_print(n, arg);
		return 0;
	case XFRM_MSG_MAPPING:
		xfrm_mapping_print(n, arg);
		return 0;
	default:
		break;
	}

	if (n->nlmsg_type != NLMSG_ERROR && n->nlmsg_type != NLMSG_NOOP &&
	    n->nlmsg_type != NLMSG_DONE) {
		fprintf(fp, "Unknown message: %08d 0x%08x 0x%08x\n",
			n->nlmsg_len, n->nlmsg_type, n->nlmsg_flags);
	}
	return 0;
}

extern struct rtnl_handle rth;

int do_xfrm_monitor(int argc, char **argv)
{
	char *file = NULL;
	unsigned int groups = ~((unsigned)0); /* XXX */
	int lacquire = 0;
	int lexpire = 0;
	int laevent = 0;
	int lpolicy = 0;
	int lsa = 0;
	int lreport = 0;

	rtnl_close(&rth);

	while (argc > 0) {
		if (matches(*argv, "file") == 0) {
			NEXT_ARG();
			file = *argv;
		} else if (strcmp(*argv, "nokeys") == 0) {
			nokeys = true;
		} else if (strcmp(*argv, "all") == 0) {
			/* fall out */
		} else if (matches(*argv, "all-nsid") == 0) {
			listen_all_nsid = 1;
		} else if (matches(*argv, "acquire") == 0) {
			lacquire = 1;
			groups = 0;
		} else if (matches(*argv, "expire") == 0) {
			lexpire = 1;
			groups = 0;
		} else if (matches(*argv, "SA") == 0) {
			lsa = 1;
			groups = 0;
		} else if (matches(*argv, "aevent") == 0) {
			laevent = 1;
			groups = 0;
		} else if (matches(*argv, "policy") == 0) {
			lpolicy = 1;
			groups = 0;
		} else if (matches(*argv, "report") == 0) {
			lreport = 1;
			groups = 0;
		} else if (matches(*argv, "help") == 0) {
			usage();
		} else {
			fprintf(stderr, "Argument \"%s\" is unknown, try \"ip xfrm monitor help\".\n", *argv);
			exit(-1);
		}
		argc--;	argv++;
	}

	if (lacquire)
		groups |= nl_mgrp(XFRMNLGRP_ACQUIRE);
	if (lexpire)
		groups |= nl_mgrp(XFRMNLGRP_EXPIRE);
	if (lsa)
		groups |= nl_mgrp(XFRMNLGRP_SA);
	if (lpolicy)
		groups |= nl_mgrp(XFRMNLGRP_POLICY);
	if (laevent)
		groups |= nl_mgrp(XFRMNLGRP_AEVENTS);
	if (lreport)
		groups |= nl_mgrp(XFRMNLGRP_REPORT);

	if (file) {
		FILE *fp;
		int err;

		fp = fopen(file, "r");
		if (fp == NULL) {
			perror("Cannot fopen");
			exit(-1);
		}
		err = rtnl_from_file(fp, xfrm_accept_msg, stdout);
		fclose(fp);
		return err;
	}

	if (rtnl_open_byproto(&rth, groups, NETLINK_XFRM) < 0)
		exit(1);
	if (listen_all_nsid && rtnl_listen_all_nsid(&rth) < 0)
		exit(1);

	if (rtnl_listen(&rth, xfrm_accept_msg, (void *)stdout) < 0)
		exit(2);

	return 0;
}
Commit	Line	Data
f9cb3a2f	1	/* $USAGI: $ */
	2
	3	/*
	4	* Copyright (C)2005 USAGI/WIDE Project
ae665a52	5	*
f9cb3a2f	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
ae665a52	10	*
f9cb3a2f	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
ae665a52	15	*
f9cb3a2f	16	* You should have received a copy of the GNU General Public License
4d98ab00	17	* along with this program; if not, see <http://www.gnu.org/licenses>.
f9cb3a2f	18	*/
	19	/*
	20	* based on ipmonitor.c
	21	*/
	22	/*
	23	* Authors:
	24	* Masahide NAKAMURA @USAGI
	25	*/
	26
	27	#include <stdio.h>
	28	#include <stdlib.h>
	29	#include <string.h>
93390779	30	#include <netinet/in.h>
93390779	31
f9cb3a2f	32	#include "utils.h"
	33	#include "xfrm.h"
	34	#include "ip_common.h"
	35
	36	static void usage(void) __attribute__((noreturn));
fa92d8cb	37	static int listen_all_nsid;
a6af9f2e	38	static bool nokeys;
f9cb3a2f	39
	40	static void usage(void)
	41	{
a6af9f2e	42	fprintf(stderr, "Usage: ip xfrm monitor [ nokeys ] [ all-nsid ] [ all \| OBJECTS \| help ]\n");
c16298be	43	fprintf(stderr, "OBJECTS := { acquire \| expire \| SA \| aevent \| policy \| report }\n");
f9cb3a2f	44	exit(-1);
	45	}
	46
cd554f2c	47	static int xfrm_acquire_print(struct nlmsghdr n, void arg)
f9cb3a2f	48	{
56f5daac	49	FILE fp = (FILE )arg;
f9cb3a2f	50	struct xfrm_user_acquire *xacq = NLMSG_DATA(n);
f9cb3a2f	51	int len = n->nlmsg_len;
56f5daac	52	struct rtattr *tb[XFRMA_MAX+1];
f9cb3a2f	53	__u16 family;
f9cb3a2f	54
f9cb3a2f	55	len -= NLMSG_LENGTH(sizeof(*xacq));
	56	if (len < 0) {
	57	fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
	58	return -1;
	59	}
	60
	61	parse_rtattr(tb, XFRMA_MAX, XFRMACQ_RTA(xacq), len);
90f93024	62
f9cb3a2f	63	family = xacq->sel.family;
	64	if (family == AF_UNSPEC)
	65	family = xacq->policy.sel.family;
	66	if (family == AF_UNSPEC)
	67	family = preferred_family;
	68
	69	fprintf(fp, "acquire ");
	70
	71	fprintf(fp, "proto %s ", strxf_xfrmproto(xacq->id.proto));
	72	if (show_stats > 0 \|\| xacq->id.spi) {
	73	__u32 spi = ntohl(xacq->id.spi);
56f5daac	74
f9cb3a2f	75	fprintf(fp, "spi 0x%08x", spi);
	76	if (show_stats > 0)
	77	fprintf(fp, "(%u)", spi);
	78	fprintf(fp, " ");
	79	}
	80	fprintf(fp, "%s", _SL_);
	81
	82	xfrm_selector_print(&xacq->sel, family, fp, " sel ");
	83
	84	xfrm_policy_info_print(&xacq->policy, tb, fp, " ", " policy ");
	85
	86	if (show_stats > 0)
	87	fprintf(fp, " seq 0x%08u ", xacq->seq);
	88	if (show_stats > 0) {
	89	fprintf(fp, "%s-mask %s ",
	90	strxf_algotype(XFRMA_ALG_CRYPT),
	91	strxf_mask32(xacq->ealgos));
	92	fprintf(fp, "%s-mask %s ",
	93	strxf_algotype(XFRMA_ALG_AUTH),
	94	strxf_mask32(xacq->aalgos));
	95	fprintf(fp, "%s-mask %s",
	96	strxf_algotype(XFRMA_ALG_COMP),
	97	strxf_mask32(xacq->calgos));
	98	}
	99	fprintf(fp, "%s", _SL_);
	100
	101	if (oneline)
	102	fprintf(fp, "\n");
669ae748	103	fflush(fp);
f9cb3a2f	104
	105	return 0;
	106	}
	107
cd554f2c	108	static int xfrm_state_flush_print(struct nlmsghdr n, void arg)
efe69c1b	109	{
56f5daac	110	FILE fp = (FILE )arg;
efe69c1b MN	111	struct xfrm_usersa_flush *xsf = NLMSG_DATA(n);
	112	int len = n->nlmsg_len;
	113	const char *str;
	114
	115	len -= NLMSG_SPACE(sizeof(*xsf));
	116	if (len < 0) {
	117	fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
	118	return -1;
	119	}
	120
	121	fprintf(fp, "Flushed state ");
	122
	123	str = strxf_xfrmproto(xsf->proto);
	124	if (str)
	125	fprintf(fp, "proto %s", str);
	126	else
	127	fprintf(fp, "proto %u", xsf->proto);
	128	fprintf(fp, "%s", _SL_);
	129
	130	if (oneline)
	131	fprintf(fp, "\n");
	132	fflush(fp);
	133
	134	return 0;
	135	}
	136
cd554f2c	137	static int xfrm_policy_flush_print(struct nlmsghdr n, void arg)
efe69c1b	138	{
56f5daac SH	139	struct rtattr *tb[XFRMA_MAX+1];
56f5daac SH	140	FILE fp = (FILE )arg;
efe69c1b MN	141	int len = n->nlmsg_len;
	142
	143	len -= NLMSG_SPACE(0);
	144	if (len < 0) {
	145	fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
	146	return -1;
	147	}
	148
	149	fprintf(fp, "Flushed policy ");
	150
	151	parse_rtattr(tb, XFRMA_MAX, NLMSG_DATA(n), len);
	152
	153	if (tb[XFRMA_POLICY_TYPE]) {
	154	struct xfrm_userpolicy_type *upt;
	155
	156	fprintf(fp, "ptype ");
	157
	158	if (RTA_PAYLOAD(tb[XFRMA_POLICY_TYPE]) < sizeof(*upt))
	159	fprintf(fp, "(ERROR truncated)");
	160
9f1370c0	161	upt = RTA_DATA(tb[XFRMA_POLICY_TYPE]);
efe69c1b MN	162	fprintf(fp, "%s ", strxf_ptype(upt->type));
	163	}
	164
	165	fprintf(fp, "%s", _SL_);
	166
	167	if (oneline)
	168	fprintf(fp, "\n");
	169	fflush(fp);
	170
	171	return 0;
	172	}
	173
cd554f2c	174	static int xfrm_report_print(struct nlmsghdr n, void arg)
c54f31ee	175	{
56f5daac	176	FILE fp = (FILE )arg;
c54f31ee MN	177	struct xfrm_user_report *xrep = NLMSG_DATA(n);
c54f31ee MN	178	int len = n->nlmsg_len;
56f5daac	179	struct rtattr *tb[XFRMA_MAX+1];
c54f31ee MN	180	__u16 family;
c54f31ee MN	181
c54f31ee MN	182	len -= NLMSG_LENGTH(sizeof(*xrep));
	183	if (len < 0) {
	184	fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
	185	return -1;
	186	}
	187
	188	family = xrep->sel.family;
	189	if (family == AF_UNSPEC)
	190	family = preferred_family;
	191
	192	fprintf(fp, "report ");
	193
	194	fprintf(fp, "proto %s ", strxf_xfrmproto(xrep->proto));
	195	fprintf(fp, "%s", _SL_);
	196
	197	xfrm_selector_print(&xrep->sel, family, fp, " sel ");
	198
	199	parse_rtattr(tb, XFRMA_MAX, XFRMREP_RTA(xrep), len);
	200
a6af9f2e	201	xfrm_xfrma_print(tb, family, fp, " ", nokeys);
c54f31ee MN	202
	203	if (oneline)
	204	fprintf(fp, "\n");
	205
	206	return 0;
	207	}
	208
d1f28cf1	209	static void xfrm_ae_flags_print(__u32 flags, void *arg)
c9fd974b	210	{
56f5daac SH	211	FILE fp = (FILE )arg;
56f5daac SH	212
c9fd974b	213	fprintf(fp, " (0x%x) ", flags);
	214	if (!flags)
	215	return;
	216	if (flags & XFRM_AE_CR)
	217	fprintf(fp, " replay update ");
	218	if (flags & XFRM_AE_CE)
	219	fprintf(fp, " timer expired ");
	220	if (flags & XFRM_AE_CU)
	221	fprintf(fp, " policy updated ");
	222
	223	}
	224
598a42c0 FW	225	static void xfrm_usersa_print(const struct xfrm_usersa_id sa_id, __u32 reqid, FILE fp)
598a42c0 FW	226	{
656111b2	227	fprintf(fp, "dst %s ",
2e96d2cc	228	rt_addr_n2a(sa_id->family, sizeof(sa_id->daddr), &sa_id->daddr));
598a42c0 FW	229
	230	fprintf(fp, " reqid 0x%x", reqid);
	231
	232	fprintf(fp, " protocol %s ", strxf_proto(sa_id->proto));
	233	fprintf(fp, " SPI 0x%x", ntohl(sa_id->spi));
	234	}
	235
cd554f2c	236	static int xfrm_ae_print(struct nlmsghdr n, void arg)
c9fd974b	237	{
56f5daac	238	FILE fp = (FILE )arg;
c9fd974b	239	struct xfrm_aevent_id *id = NLMSG_DATA(n);
c9fd974b	240
	241	fprintf(fp, "Async event ");
	242	xfrm_ae_flags_print(id->flags, arg);
56f5daac	243	fprintf(fp, "\n\t");
26dcdf3a	244	fprintf(fp, "src %s ", rt_addr_n2a(id->sa_id.family,
2e96d2cc	245	sizeof(id->saddr), &id->saddr));
598a42c0 FW	246
598a42c0 FW	247	xfrm_usersa_print(&id->sa_id, id->reqid, fp);
c9fd974b	248
	249	fprintf(fp, "\n");
	250	fflush(fp);
	251
	252	return 0;
	253	}
	254
656111b2	255	static void xfrm_print_addr(FILE fp, int family, xfrm_address_t a)
598a42c0	256	{
2e96d2cc	257	fprintf(fp, "%s", rt_addr_n2a(family, sizeof(*a), a));
598a42c0 FW	258	}
598a42c0 FW	259
cd554f2c	260	static int xfrm_mapping_print(struct nlmsghdr n, void arg)
598a42c0	261	{
56f5daac	262	FILE fp = (FILE )arg;
598a42c0 FW	263	struct xfrm_user_mapping *map = NLMSG_DATA(n);
	264
	265	fprintf(fp, "Mapping change ");
656111b2	266	xfrm_print_addr(fp, map->id.family, &map->old_saddr);
598a42c0 FW	267
598a42c0 FW	268	fprintf(fp, ":%d -> ", ntohs(map->old_sport));
656111b2	269	xfrm_print_addr(fp, map->id.family, &map->new_saddr);
598a42c0 FW	270	fprintf(fp, ":%d\n\t", ntohs(map->new_sport));
	271
	272	xfrm_usersa_print(&map->id, map->reqid, fp);
	273
	274	fprintf(fp, "\n");
	275	fflush(fp);
	276	return 0;
	277	}
	278
cd554f2c	279	static int xfrm_accept_msg(struct rtnl_ctrl_data *ctrl,
f9cb3a2f	280	struct nlmsghdr n, void arg)
f9cb3a2f	281	{
56f5daac	282	FILE fp = (FILE )arg;
f9cb3a2f	283
90f93024 SH	284	if (timestamp)
	285	print_timestamp(fp);
	286
b6ec53e3 ND	287	if (listen_all_nsid) {
	288	if (ctrl == NULL \|\| ctrl->nsid < 0)
	289	fprintf(fp, "[nsid current]");
	290	else
	291	fprintf(fp, "[nsid %d]", ctrl->nsid);
	292	}
	293
efe69c1b MN	294	switch (n->nlmsg_type) {
	295	case XFRM_MSG_NEWSA:
	296	case XFRM_MSG_DELSA:
	297	case XFRM_MSG_UPDSA:
	298	case XFRM_MSG_EXPIRE:
cd554f2c	299	xfrm_state_print(n, arg);
c595c790	300	return 0;
efe69c1b MN	301	case XFRM_MSG_NEWPOLICY:
	302	case XFRM_MSG_DELPOLICY:
	303	case XFRM_MSG_UPDPOLICY:
	304	case XFRM_MSG_POLEXPIRE:
cd554f2c	305	xfrm_policy_print(n, arg);
c595c790	306	return 0;
efe69c1b	307	case XFRM_MSG_ACQUIRE:
cd554f2c	308	xfrm_acquire_print(n, arg);
f9cb3a2f	309	return 0;
efe69c1b	310	case XFRM_MSG_FLUSHSA:
cd554f2c	311	xfrm_state_flush_print(n, arg);
f9cb3a2f	312	return 0;
efe69c1b	313	case XFRM_MSG_FLUSHPOLICY:
cd554f2c	314	xfrm_policy_flush_print(n, arg);
f9cb3a2f	315	return 0;
efe69c1b	316	case XFRM_MSG_REPORT:
cd554f2c	317	xfrm_report_print(n, arg);
c54f31ee	318	return 0;
efe69c1b	319	case XFRM_MSG_NEWAE:
cd554f2c	320	xfrm_ae_print(n, arg);
c9fd974b	321	return 0;
598a42c0	322	case XFRM_MSG_MAPPING:
cd554f2c	323	xfrm_mapping_print(n, arg);
598a42c0	324	return 0;
efe69c1b MN	325	default:
efe69c1b MN	326	break;
c9fd974b	327	}
efe69c1b	328
f9cb3a2f	329	if (n->nlmsg_type != NLMSG_ERROR && n->nlmsg_type != NLMSG_NOOP &&
f9cb3a2f	330	n->nlmsg_type != NLMSG_DONE) {
c595c790	331	fprintf(fp, "Unknown message: %08d 0x%08x 0x%08x\n",
f9cb3a2f	332	n->nlmsg_len, n->nlmsg_type, n->nlmsg_flags);
	333	}
	334	return 0;
	335	}
	336
77219712 SH	337	extern struct rtnl_handle rth;
77219712 SH	338
f9cb3a2f	339	int do_xfrm_monitor(int argc, char **argv)
f9cb3a2f	340	{
f9cb3a2f	341	char *file = NULL;
56f5daac SH	342	unsigned int groups = ~((unsigned)0); /* XXX */
	343	int lacquire = 0;
	344	int lexpire = 0;
	345	int laevent = 0;
	346	int lpolicy = 0;
	347	int lsa = 0;
	348	int lreport = 0;
f9cb3a2f	349
77219712 SH	350	rtnl_close(&rth);
77219712 SH	351
f9cb3a2f	352	while (argc > 0) {
	353	if (matches(*argv, "file") == 0) {
	354	NEXT_ARG();
	355	file = *argv;
a6af9f2e BW	356	} else if (strcmp(*argv, "nokeys") == 0) {
a6af9f2e BW	357	nokeys = true;
b8e77990 NH	358	} else if (strcmp(*argv, "all") == 0) {
b8e77990 NH	359	/* fall out */
b6ec53e3 ND	360	} else if (matches(*argv, "all-nsid") == 0) {
b6ec53e3 ND	361	listen_all_nsid = 1;
f9cb3a2f	362	} else if (matches(*argv, "acquire") == 0) {
56f5daac	363	lacquire = 1;
f9cb3a2f	364	groups = 0;
f9cb3a2f	365	} else if (matches(*argv, "expire") == 0) {
56f5daac	366	lexpire = 1;
f9cb3a2f	367	groups = 0;
c595c790	368	} else if (matches(*argv, "SA") == 0) {
56f5daac	369	lsa = 1;
c595c790	370	groups = 0;
c9fd974b	371	} else if (matches(*argv, "aevent") == 0) {
56f5daac	372	laevent = 1;
c9fd974b	373	groups = 0;
c595c790	374	} else if (matches(*argv, "policy") == 0) {
56f5daac	375	lpolicy = 1;
c595c790	376	groups = 0;
c54f31ee	377	} else if (matches(*argv, "report") == 0) {
56f5daac	378	lreport = 1;
c54f31ee	379	groups = 0;
f9cb3a2f	380	} else if (matches(*argv, "help") == 0) {
f9cb3a2f	381	usage();
b8e77990	382	} else {
f9cb3a2f	383	fprintf(stderr, "Argument \"%s\" is unknown, try \"ip xfrm monitor help\".\n", *argv);
	384	exit(-1);
	385	}
	386	argc--; argv++;
	387	}
	388
	389	if (lacquire)
7b822512	390	groups \|= nl_mgrp(XFRMNLGRP_ACQUIRE);
f9cb3a2f	391	if (lexpire)
7b822512	392	groups \|= nl_mgrp(XFRMNLGRP_EXPIRE);
c595c790	393	if (lsa)
7b822512	394	groups \|= nl_mgrp(XFRMNLGRP_SA);
c595c790	395	if (lpolicy)
7b822512	396	groups \|= nl_mgrp(XFRMNLGRP_POLICY);
c9fd974b	397	if (laevent)
7b822512	398	groups \|= nl_mgrp(XFRMNLGRP_AEVENTS);
c54f31ee	399	if (lreport)
7b822512	400	groups \|= nl_mgrp(XFRMNLGRP_REPORT);
f9cb3a2f	401
	402	if (file) {
	403	FILE *fp;
e49b51d6 SH	404	int err;
e49b51d6 SH	405
f9cb3a2f	406	fp = fopen(file, "r");
	407	if (fp == NULL) {
	408	perror("Cannot fopen");
	409	exit(-1);
	410	}
e49b51d6 SH	411	err = rtnl_from_file(fp, xfrm_accept_msg, stdout);
	412	fclose(fp);
	413	return err;
f9cb3a2f	414	}
f9cb3a2f	415
c595c790 SH	416	if (rtnl_open_byproto(&rth, groups, NETLINK_XFRM) < 0)
c595c790 SH	417	exit(1);
b6ec53e3 ND	418	if (listen_all_nsid && rtnl_listen_all_nsid(&rth) < 0)
b6ec53e3 ND	419	exit(1);
c595c790	420
56f5daac	421	if (rtnl_listen(&rth, xfrm_accept_msg, (void *)stdout) < 0)
f9cb3a2f	422	exit(2);
f9cb3a2f	423
351efcde	424	return 0;
f9cb3a2f	425	}